SAA7127 PHILIPS [NXP Semiconductors], SAA7127 Datasheet - Page 16

• Manufacturer Part Number: SAA7127
• Description: Digital video encoder
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
Table 18 Subaddress 5DH
Notes
1. Output black level/IRE = BLCKL
2. Output black level/IRE = BLCKL
Table 19 Subaddress 5EH
Notes
1. Output black level/IRE = BLNNL
2. Output black level/IRE = BLNNL
Table 20 Subaddress 5FH
1999 May 31
BLCKL
DECOE
BLNNL
DECPH
BLNVB
CCRS
DATA BYTE
DATA BYTE
DATA BYTE
Digital video encoder
variable black level; input
representation in
accordance with
“CCIR 601”
real-time control
variable blanking level
real-time control
variable blanking level during vertical blanking interval is typically identical to value of BLNNL
select cross-colour reduction filter in luminance; see Table 21
DESCRIPTION
DESCRIPTION
2/6.29 + 28.9.
2/6.18 + 26.5.
2/6.29 + 25.4.
2/6.18 + 25.9; default after reset: 35H.
white-to-sync = 140 IRE;
note 1
BLCKL = 0; note 1
BLCKL = 63 (3FH); note 1
white-to-sync = 143 IRE;
note 2
BLCKL = 0; note 2
BLCKL = 63 (3FH); note 2
logic 0
logic 1
white-to-sync = 140 IRE;
note 1
BLNNL = 0; note 1
BLNNL = 63 (3FH); note 1
white-to-sync = 143 IRE;
note 2
BLNNL = 0; note 2
BLNNL = 63 (3FH); note 2
logic 0
logic 1
CONDITIONS
CONDITIONS
16
DESCRIPTION
recommended value: BLCKL = 58 (3AH)
output black level = 29 IRE
output black level = 49 IRE
recommended value: BLCKL = 51 (33H)
output black level = 27 IRE
output black level = 47 IRE
disable odd/even field control bit from RTCI
enable odd/even field control bit from RTCI
(see Fig.13)
recommended value: BLNNL = 46 (2EH)
output blanking level = 25 IRE
output blanking level = 45 IRE
recommended value: BLNNL = 53 (35H)
output blanking level = 26 IRE
output blanking level = 46 IRE
disable subcarrier phase reset bit from RTCI
enable subcarrier phase reset bit from RTCI
(see Fig.13)
SAA7126H; SAA7127H
REMARKS
REMARKS
Product specification